Classification
H - Social Science
581
K - Law
281
T - Technology
155
S - Agriculture
138
M - Music
118
E - United States History
101
Z - Library Science
86
A - General Works
61
R - Medicine
55
L - Education
50
B - Philosophy, Psychology, Religion
44
J - Political Science
40
D - World History
33
U - Military Science
20
G - Geography, Anthropology, Recreation
17
N - Fine Arts
13
P - Language and Literature
13
F - General American History
9
Q - Science
8
C - Historical Sciences
5
V - Naval Science
3